//
//  BitmapCompareUtil.h
//  YHOCR
//
//  Created by 杨杨子 on 2018/7/23.
//  Copyright © 2018年 杨杨子. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface BitmapCompareUtil : NSObject

-(id)scaleBitmap:(id)image;

-(id)convertGreyImg:(id)sourceImage;

-(NSInteger)diffS1:(NSString *)s1 s2:(NSString *)s2;

-(NSString *)getBitmapFingerprint:(id)originImage;

@end
